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Intel Core 2 Duo T6400 vs Intel Core 2 Duo T8100

Intel Core 2 Duo T6400

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The Intel Core 2 Duo T6400 is an entry level dual core processor for cheap laptops. It is based on the Penryn core but offers only 2 MB level 2 cache and a slow clock speed of 2 GHz. The performance should be sufficient for office and other casual tasks but high level gaming and HD video editing for example could be limited by the CPU performance.

Intel Core 2 Duo T8100

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The Intel Core 2 Duo T8100 is a mid-range dual-core processor for laptops from 2008. It is based on the Penryn core and offers all functions that were available at that time (e.g. Virtualization VT-x).

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ModelIntel Core 2 Duo T6400Intel Core 2 Duo T8100
CodenamePenrynPenryn
SeriesIntel Core 2 DuoIntel Core 2 Duo
Series: Core 2 Duo Penryn
Intel Core 2 Duo T9900 compare3.06 GHz2 / 2 cores
Intel Core 2 Duo T9800 compare2.92 GHz2 / 2 cores
Intel Core 2 Duo P9700 compare2.8 GHz2 / 2 cores
Intel Core 2 Duo T9600 compare2.8 GHz2 / 2 cores
Intel Core 2 Duo P9600 compare2.66 GHz2 / 2 cores
Intel Core 2 Duo T9550 compare2.66 GHz2 / 2 cores
Intel Core 2 Duo T9500 compare2.6 GHz2 / 2 cores
Intel Core 2 Duo SP9600 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo P9500 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo T9400 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo P8800 compare2.66 GHz2 / 2 cores
Intel Core 2 Duo T9300 compare2.5 GHz2 / 2 cores
Intel Core 2 Duo P8700 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo SP9400 compare2.4 GHz2 / 2 cores
Intel Core 2 Duo P8600 compare2.4 GHz2 / 2 cores
Intel Core 2 Duo T8300 compare2.4 GHz2 / 2 cores
Intel Core 2 Duo SP9300 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo P8400 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo P7570 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo P7550 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo T6770 compare2.3 GHz2 / 2 cores
Intel Core 2 Duo SL9600 compare2.13 GHz2 / 2 cores
Intel Core 2 Duo P7450 compare2.13 GHz2 / 2 cores
Intel Core 2 Duo T6670 compare2.2 GHz2 / 2 cores
Intel Core 2 Duo T6600 compare2.2 GHz2 / 2 cores
Intel Core 2 Duo T81002.1 GHz2 / 2 cores
Intel Core 2 Duo P7370 compare2 GHz2 / 2 cores
Intel Core 2 Duo P7350 compare2 GHz2 / 2 cores
Intel Core 2 Duo T6570 compare2.1 GHz2 / 2 cores
Intel Core 2 Duo T6500 compare2.1 GHz2 / 2 cores
Intel Core 2 Duo SL9400 compare1.86 GHz2 / 2 cores
Intel Core 2 Duo SL9380 compare1.8 GHz2 / 2 cores
Intel Core 2 Duo T6400 « 2 GHz2 / 2 cores
Intel Core 2 Duo SL9300 compare1.6 GHz2 / 2 cores
Intel Core 2 Duo SU9600 compare1.6 GHz2 / 2 cores
Intel Core 2 Duo SU9400 compare1.4 GHz2 / 2 cores
Intel Core 2 Duo SU7300 compare1.3 GHz2 / 2 cores
Intel Core 2 Duo SU9300 compare1.2 GHz2 / 2 cores
Intel Core 2 Duo T9900 compare3.06 GHz2 / 2 cores
Intel Core 2 Duo T9800 compare2.92 GHz2 / 2 cores
Intel Core 2 Duo P9700 compare2.8 GHz2 / 2 cores
Intel Core 2 Duo T9600 compare2.8 GHz2 / 2 cores
Intel Core 2 Duo P9600 compare2.66 GHz2 / 2 cores
Intel Core 2 Duo T9550 compare2.66 GHz2 / 2 cores
Intel Core 2 Duo T9500 compare2.6 GHz2 / 2 cores
Intel Core 2 Duo SP9600 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo P9500 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo T9400 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo P8800 compare2.66 GHz2 / 2 cores
Intel Core 2 Duo T9300 compare2.5 GHz2 / 2 cores
Intel Core 2 Duo P8700 compare2.53 GHz2 / 2 cores
Intel Core 2 Duo SP9400 compare2.4 GHz2 / 2 cores
Intel Core 2 Duo P8600 compare2.4 GHz2 / 2 cores
Intel Core 2 Duo T8300 compare2.4 GHz2 / 2 cores
Intel Core 2 Duo SP9300 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo P8400 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo P7570 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo P7550 compare2.26 GHz2 / 2 cores
Intel Core 2 Duo T6770 compare2.3 GHz2 / 2 cores
Intel Core 2 Duo SL9600 compare2.13 GHz2 / 2 cores
Intel Core 2 Duo P7450 compare2.13 GHz2 / 2 cores
Intel Core 2 Duo T6670 compare2.2 GHz2 / 2 cores
Intel Core 2 Duo T6600 compare2.2 GHz2 / 2 cores
Intel Core 2 Duo T8100 « 2.1 GHz2 / 2 cores
Intel Core 2 Duo P7370 compare2 GHz2 / 2 cores
Intel Core 2 Duo P7350 compare2 GHz2 / 2 cores
Intel Core 2 Duo T6570 compare2.1 GHz2 / 2 cores
Intel Core 2 Duo T6500 compare2.1 GHz2 / 2 cores
Intel Core 2 Duo SL9400 compare1.86 GHz2 / 2 cores
Intel Core 2 Duo SL9380 compare1.8 GHz2 / 2 cores
Intel Core 2 Duo T64002 GHz2 / 2 cores
Intel Core 2 Duo SL9300 compare1.6 GHz2 / 2 cores
Intel Core 2 Duo SU9600 compare1.6 GHz2 / 2 cores
Intel Core 2 Duo SU9400 compare1.4 GHz2 / 2 cores
Intel Core 2 Duo SU7300 compare1.3 GHz2 / 2 cores
Intel Core 2 Duo SU9300 compare1.2 GHz2 / 2 cores
Clock2000 MHz2100 MHz
FSB800800
L2 Cache2 MB3 MB
Cores / Threads2 / 22 / 2
TDP35 Watt35 Watt
Technology45 nm45 nm
max. Temp.105 °C105 °C
SocketPGA478BGA479, PGA478
FeaturesMMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), IDA (Intel Dynamic Acceleration)Virtualization VT-x, Enhanced Speedstep, Execute Disable Bit, Idle States
Architecturex86x86
Announced
Manufacturerark.intel.comark.intel.com
Transistors410 Million
Voltage1.000V-1.250V V
Die Size107 mm2
$209 U.S.

Benchmarks

Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 2082     avg: 2115     median: 2115 (13%)     max: 2154 Points
min: 2217     avg: 2310     median: 2320 (14%)     max: 2357 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 3704     avg: 3963     median: 4005 (3%)     max: 4078 Points
min: 4102     avg: 4251     median: 4282 (3%)     max: 4332 Points
wPrime 2.10 - wPrime 2.0 1024m *
100%
1 T6400 +
1249 s (15%)
wPrime 2.10 - wPrime 2.0 32m *
39.4 s (8%)
37.5 s (8%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 1711     avg: 1764     median: 1767.5 (4%)     max: 1819 Points
min: 1764     avg: 1851     median: 1878 (4%)     max: 1909 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 26     avg: 28.8     median: 26.5 (6%)     max: 34 s
min: 23     avg: 23.4     median: 23.1 (5%)     max: 24.23 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 61     avg: 64     median: 64 (3%)     max: 67 s
min: 54.6     avg: 55.2     median: 55 (2%)     max: 56 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 1368     avg: 1532     median: 1531.5 (7%)     max: 1695 s
1347 s (6%)
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 18396     avg: 18438     median: 18437.5 (9%)     max: 18479 MIPS
19291 MIPS (9%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 14630     avg: 14670     median: 14670 (11%)     max: 14710 MFLOPS
15392 MFLOPS (12%)
PCMark 05 - PCMark 05 - Standard
min: 4479     avg: 5038     median: 4916 (10%)     max: 6001 Points
min: 3250     avg: 4504     median: 4605 (10%)     max: 5677 Points
Windows Vista Experience Index - Windows Vista Leistungsindex - Prozessor
4.9 Points (70%)
min: 4     avg: 4.8     median: 5 (71%)     max: 5.1 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
3909 Points (3%)
4046 Points (3%)

Average Benchmarks Intel Core 2 Duo T6400 → 100% n=12

Average Benchmarks Intel Core 2 Duo T8100 → 107% n=12

- Range of benchmark values for this graphics card
red legend - Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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v1.33
log 28. 16:04:25

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 checking url part for id 454 +0s ... 0s

#2 checking url part for id 380 +0s ... 0s

#3 not redirecting to Ajax server +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Mon, 28 Apr 2025 05:16:39 +0200 +0s ... 0s

#5 composed specs +0.003s ... 0.003s

#6 did output specs +0s ... 0.004s

#7 getting avg benchmarks for device 454 +0.001s ... 0.004s

#8 got single benchmarks 454 +0.014s ... 0.018s

#9 getting avg benchmarks for device 380 +0.001s ... 0.018s

#10 got single benchmarks 380 +0.01s ... 0.029s

#11 got avg benchmarks for devices +0s ... 0.029s

#12 min, max, avg, median took s +0.01s ... 0.039s

#13 return log +0.002s ... 0.042s

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2023-07- 1)